Release 3.0.0-beta1

AUTHORS.txt

@@ -272,4 +272,9 @@ Christian Grete <webmaster@christiangrete.com>
 Liza Ramo <liza.h.ramo@gmail.com>
 Julian Alexander Murillo <julian.alexander.murillo@gmail.com>
 Joelle Fleurantin <joasqueeniebee@gmail.com>
+Jae Sung Park <alberto.park@gmail.com>
 Jun Sun <klsforever@gmail.com>
+Josh Soref <apache@soref.com>
+Henry Wong <henryw4k@gmail.com>
+Jon Dufresne <jon.dufresne@gmail.com>
+Martijn W. van der Lee <martijn@vanderlee.com>

package.json

@@ -2,12 +2,12 @@
   "name": "jquery",
   "title": "jQuery",
   "description": "JavaScript library for DOM operations",
-  "version": "2.2.0",
+  "version": "3.0.0-beta1",
   "main": "dist/jquery.js",
-  "homepage": "http://jquery.com",
+  "homepage": "https://jquery.com",
   "author": {
     "name": "jQuery Foundation and other contributors",
-    "url": "https://github.com/jquery/jquery/blob/2.2.0/AUTHORS.txt"
+    "url": "https://github.com/jquery/jquery/blob/3.0.0-beta1/AUTHORS.txt"
   },
   "repository": {
     "type": "git",
@@ -41,11 +41,14 @@
     "gzip-js": "0.3.2",
     "jsdom": "5.6.1",
     "load-grunt-tasks": "1.0.0",
+    "native-promise-only": "0.7.8-a",
+    "promises-aplus-tests": "2.1.0",
+    "q": "1.1.2",
     "qunitjs": "1.17.1",
     "qunit-assert-step": "1.0.3",
     "requirejs": "2.1.17",
     "sinon": "1.10.3",
-    "sizzle": "2.2.1",
+    "sizzle": "2.3.0",
     "strip-json-comments": "1.0.3",
     "testswarm": "1.1.0",
     "win-spawn": "2.0.0"

src/ajax.js

@@ -14,6 +14,7 @@ define( [
 ], function( jQuery, document, rnotwhite, location, nonce, rquery ) {
 
 var
+	r20 = /%20/g,
 	rhash = /#.*$/,
 	rts = /([?&])_=[^&]*/,
 	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
@@ -223,7 +224,7 @@ function ajaxConvert( s, response, jqXHR, isSuccess ) {
 
 		if ( current ) {
 
-		// There's only work to do if current dataType is non-auto
+			// There's only work to do if current dataType is non-auto
 			if ( current === "*" ) {
 
 				current = prev;
@@ -405,12 +406,18 @@ jQuery.extend( {
 			// Url cleanup var
 			urlAnchor,
 
+			// Request state (becomes false upon send and true upon completion)
+			completed,
+
 			// To know if global events are to be dispatched
 			fireGlobals,
 
 			// Loop variable
 			i,
 
+			// uncached part of the url
+			uncached,
+
 			// Create the final options object
 			s = jQuery.ajaxSetup( {}, options ),
 
@@ -434,9 +441,6 @@ jQuery.extend( {
 			requestHeaders = {},
 			requestHeadersNames = {},
 
-			// The jqXHR state
-			state = 0,
-
 			// Default abort message
 			strAbort = "canceled",
 
@@ -447,7 +451,7 @@ jQuery.extend( {
 				// Builds headers hashtable if needed
 				getResponseHeader: function( key ) {
 					var match;
-					if ( state === 2 ) {
+					if ( completed ) {
 						if ( !responseHeaders ) {
 							responseHeaders = {};
 							while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
@@ -461,14 +465,14 @@ jQuery.extend( {
 
 				// Raw string
 				getAllResponseHeaders: function() {
-					return state === 2 ? responseHeadersString : null;
+					return completed ? responseHeadersString : null;
 				},
 
 				// Caches the header
 				setRequestHeader: function( name, value ) {
-					var lname = name.toLowerCase();
-					if ( !state ) {
-						name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
+					if ( completed == null ) {
+						name = requestHeadersNames[ name.toLowerCase() ] =
+							requestHeadersNames[ name.toLowerCase() ] || name;
 						requestHeaders[ name ] = value;
 					}
 					return this;
@@ -476,7 +480,7 @@ jQuery.extend( {
 
 				// Overrides response content-type header
 				overrideMimeType: function( type ) {
-					if ( !state ) {
+					if ( completed == null ) {
 						s.mimeType = type;
 					}
 					return this;
@@ -486,16 +490,16 @@ jQuery.extend( {
 				statusCode: function( map ) {
 					var code;
 					if ( map ) {
-						if ( state < 2 ) {
-							for ( code in map ) {
-
-								// Lazy-add the new callback in a way that preserves old ones
-								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
-							}
-						} else {
+						if ( completed ) {
 
 							// Execute the appropriate callbacks
 							jqXHR.always( map[ jqXHR.status ] );
+						} else {
+
+							// Lazy-add the new callbacks in a way that preserves old ones
+							for ( code in map ) {
+								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
+							}
 						}
 					}
 					return this;
@@ -513,15 +517,12 @@ jQuery.extend( {
 			};
 
 		// Attach deferreds
-		deferred.promise( jqXHR ).complete = completeDeferred.add;
-		jqXHR.success = jqXHR.done;
-		jqXHR.error = jqXHR.fail;
+		deferred.promise( jqXHR );
 
-		// Remove hash character (#7531: and string promotion)
 		// Add protocol if not provided (prefilters might expect it)
 		// Handle falsy url in the settings object (#10093: consistency with old signature)
 		// We also use the url parameter if available
-		s.url = ( ( url || s.url || location.href ) + "" ).replace( rhash, "" )
+		s.url = ( ( url || s.url || location.href ) + "" )
 			.replace( rprotocol, location.protocol + "//" );
 
 		// Alias method option to type as per ticket #12004
@@ -561,7 +562,7 @@ jQuery.extend( {
 		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
 
 		// If request was aborted inside a prefilter, stop there
-		if ( state === 2 ) {
+		if ( completed ) {
 			return jqXHR;
 		}
 
@@ -582,29 +583,36 @@ jQuery.extend( {
 
 		// Save the URL in case we're toying with the If-Modified-Since
 		// and/or If-None-Match header later on
-		cacheURL = s.url;
+		// Remove hash to simplify url manipulation
+		cacheURL = s.url.replace( rhash, "" );
 
 		// More options handling for requests with no content
 		if ( !s.hasContent ) {
 
+			// Remember the hash so we can put it back
+			uncached = s.url.slice( cacheURL.length );
+
 			// If data is available, append data to url
 			if ( s.data ) {
-				cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
+				cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
 
 				// #9682: remove data so that it's not used in an eventual retry
 				delete s.data;
 			}
 
-			// Add anti-cache in url if needed
+			// Add anti-cache in uncached url if needed
 			if ( s.cache === false ) {
-				s.url = rts.test( cacheURL ) ?
+				cacheURL = cacheURL.replace( rts, "" );
+				uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
+			}
 
-					// If there is already a '_' parameter, set its value
-					cacheURL.replace( rts, "$1_=" + nonce++ ) :
+			// Put hash and anti-cache on the URL that will be requested (gh-1732)
+			s.url = cacheURL + uncached;
 
-					// Otherwise add one to the end
-					cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++;
-			}
+		// Change '%20' to '+' if this is encoded form body content (gh-2658)
+		} else if ( s.data && s.processData &&
+			( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
+			s.data = s.data.replace( r20, "+" );
 		}
 
 		// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
@@ -638,7 +646,7 @@ jQuery.extend( {
 
 		// Allow custom headers/mimetypes and early abort
 		if ( s.beforeSend &&
-			( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
+			( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
 
 			// Abort if not done already and return
 			return jqXHR.abort();
@@ -648,9 +656,9 @@ jQuery.extend( {
 		strAbort = "abort";
 
 		// Install callbacks on deferreds
-		for ( i in { success: 1, error: 1, complete: 1 } ) {
-			jqXHR[ i ]( s[ i ] );
-		}
+		completeDeferred.add( s.complete );
+		jqXHR.done( s.success );
+		jqXHR.fail( s.error );
 
 		// Get transport
 		transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
@@ -667,7 +675,7 @@ jQuery.extend( {
 			}
 
 			// If request was aborted inside ajaxSend, stop there
-			if ( state === 2 ) {
+			if ( completed ) {
 				return jqXHR;
 			}
 
@@ -679,18 +687,17 @@ jQuery.extend( {
 			}
 
 			try {
-				state = 1;
+				completed = false;
 				transport.send( requestHeaders, done );
 			} catch ( e ) {
 
-				// Propagate exception as error if not done
-				if ( state < 2 ) {
-					done( -1, e );
-
-				// Simply rethrow otherwise
-				} else {
+				// Rethrow post-completion exceptions
+				if ( completed ) {
 					throw e;
 				}
+
+				// Propagate others as results
+				done( -1, e );
 			}
 		}
 
@@ -699,13 +706,12 @@ jQuery.extend( {
 			var isSuccess, success, error, response, modified,
 				statusText = nativeStatusText;
 
-			// Called once
-			if ( state === 2 ) {
+			// Ignore repeat invocations
+			if ( completed ) {
 				return;
 			}
 
-			// State is "done" now
-			state = 2;
+			completed = true;
 
 			// Clear timeout if it exists
 			if ( timeoutTimer ) {

src/ajax/load.js

@@ -4,23 +4,13 @@ define( [
 	"../ajax",
 	"../traversing",
 	"../manipulation",
-	"../selector",
-
-	// Optional event/alias dependency
-	"../event/alias"
+	"../selector"
 ], function( jQuery ) {
 
-// Keep a copy of the old load method
-var _load = jQuery.fn.load;
-
 /**
  * Load a url into a page
  */
 jQuery.fn.load = function( url, params, callback ) {
-	if ( typeof url !== "string" && _load ) {
-		return _load.apply( this, arguments );
-	}
-
 	var selector, type, response,
 		self = this,
 		off = url.indexOf( " " );

src/ajax/parseJSON.js

@@ -2,11 +2,7 @@ define( [
 	"../core"
 ], function( jQuery ) {
 
-// Support: Android 2.3
-// Workaround failure to string-cast null input
-jQuery.parseJSON = function( data ) {
-	return JSON.parse( data + "" );
-};
+jQuery.parseJSON = JSON.parse;
 
 return jQuery.parseJSON;
 

src/ajax/script.js

@@ -4,6 +4,13 @@ define( [
 	"../ajax"
 ], function( jQuery, document ) {
 
+// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
+jQuery.ajaxPrefilter( function( s ) {
+	if ( s.crossDomain ) {
+		s.contents.script = false;
+	}
+} );
+
 // Install script dataType
 jQuery.ajaxSetup( {
 	accepts: {

src/attributes/attr.js

@@ -7,7 +7,14 @@ define( [
 ], function( jQuery, access, support, rnotwhite ) {
 
 var boolHook,
-	attrHandle = jQuery.expr.attrHandle;
+	attrHandle = jQuery.expr.attrHandle,
+
+	// Exclusively lowercase A-Z in attribute names (gh-2730)
+	// https://dom.spec.whatwg.org/#converted-to-ascii-lowercase
+	raz = /[A-Z]+/g,
+	lowercase = function( ch ) {
+		return ch.toLowerCase();
+	};
 
 jQuery.fn.extend( {
 	attr: function( name, value ) {
@@ -39,7 +46,7 @@ jQuery.extend( {
 		// All attributes are lowercase
 		// Grab necessary hook if one is defined
 		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
-			name = name.toLowerCase();
+			name = name.replace( raz, lowercase );
 			hooks = jQuery.attrHooks[ name ] ||
 				( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
 		}
@@ -86,21 +93,12 @@ jQuery.extend( {
 	},
 
 	removeAttr: function( elem, value ) {
-		var name, propName,
+		var name,
 			i = 0,
 			attrNames = value && value.match( rnotwhite );
 
 		if ( attrNames && elem.nodeType === 1 ) {
 			while ( ( name = attrNames[ i++ ] ) ) {
-				propName = jQuery.propFix[ name ] || name;
-
-				// Boolean attributes get special treatment (#10870)
-				if ( jQuery.expr.match.bool.test( name ) ) {
-
-					// Set corresponding property to false
-					elem[ propName ] = false;
-				}
-
 				elem.removeAttribute( name );
 			}
 		}
@@ -120,6 +118,7 @@ boolHook = {
 		return name;
 	}
 };
+
 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
 	var getter = attrHandle[ name ] || jQuery.find.attr;
 

src/attributes/support.js

@@ -10,7 +10,7 @@ define( [
 
 	input.type = "checkbox";
 
-	// Support: iOS<=5.1, Android<=4.2+
+	// Support: Android<4.4
 	// Default value for a checkbox should be "on"
 	support.checkOn = input.value !== "";
 
@@ -18,11 +18,6 @@ define( [
 	// Must access selectedIndex to make default options select
 	support.optSelected = opt.selected;
 
-	// Support: Android<=2.3
-	// Options inside disabled selects are incorrectly marked as disabled
-	select.disabled = true;
-	support.optDisabled = !opt.disabled;
-
 	// Support: IE<=11+
 	// An input loses its value after becoming a radio
 	input = document.createElement( "input" );

src/attributes/val.js

@@ -90,7 +90,7 @@ jQuery.extend( {
 				var value, option,
 					options = elem.options,
 					index = elem.selectedIndex,
-					one = elem.type === "select-one" || index < 0,
+					one = elem.type === "select-one",
 					values = one ? null : [],
 					max = one ? index + 1 : options.length,
 					i = index < 0 ?
@@ -105,8 +105,7 @@ jQuery.extend( {
 					if ( ( option.selected || i === index ) &&
 
 							// Don't return options that are disabled or in a disabled optgroup
-							( support.optDisabled ?
-								!option.disabled : option.getAttribute( "disabled" ) === null ) &&
+							!option.disabled &&
 							( !option.parentNode.disabled ||
 								!jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
 

src/callbacks.js

@@ -191,7 +191,7 @@ jQuery.Callbacks = function( options ) {
 			// Abort any pending executions
 			lock: function() {
 				locked = queue = [];
-				if ( !memory ) {
+				if ( !memory && !firing ) {
 					list = memory = "";
 				}
 				return this;

src/core.js

@@ -8,8 +8,10 @@ define( [
 	"./var/class2type",
 	"./var/toString",
 	"./var/hasOwn",
-	"./var/support"
-], function( arr, document, slice, concat, push, indexOf, class2type, toString, hasOwn, support ) {
+	"./var/support",
+	"./core/DOMEval"
+], function( arr, document, slice, concat,
+	push, indexOf, class2type, toString, hasOwn, support, DOMEval ) {
 
 var
 	version = "@VERSION",
@@ -28,7 +30,7 @@ var
 
 	// Matches dashed string for camelizing
 	rmsPrefix = /^-ms-/,
-	rdashAlpha = /-([\da-z])/gi,
+	rdashAlpha = /-([a-z])/g,
 
 	// Used by jQuery.camelCase as callback to replace()
 	fcamelCase = function( all, letter ) {
@@ -42,9 +44,6 @@ jQuery.fn = jQuery.prototype = {
 
 	constructor: jQuery,
 
-	// Start with an empty selector
-	selector: "",
-
 	// The default length of a jQuery object is 0
 	length: 0,
 
@@ -73,7 +72,6 @@ jQuery.fn = jQuery.prototype = {
 
 		// Add the old object onto the stack (as a reference)
 		ret.prevObject = this;
-		ret.context = this.context;
 
 		// Return the newly-formed element set
 		return ret;
@@ -214,12 +212,12 @@ jQuery.extend( {
 
 	isNumeric: function( obj ) {
 
-		// parseFloat NaNs numeric-cast false positives (null|true|false|"")
-		// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
-		// subtraction forces infinities to NaN
-		// adding 1 corrects loss of precision from parseFloat (#15100)
-		var realStringObj = obj && obj.toString();
-		return !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0;
+		// As of jQuery 3.0, isNumeric is limited to
+		// strings and numbers (primitives or objects)
+		// that can be coerced to finite numbers (gh-2662)
+		var type = jQuery.type( obj );
+		return ( type === "number" || type === "string" ) &&
+			( obj - parseFloat( obj ) + 1 ) >= 0;
 	},
 
 	isPlainObject: function( obj ) {
@@ -255,7 +253,7 @@ jQuery.extend( {
 			return obj + "";
 		}
 
-		// Support: Android<4.0, iOS<6 (functionish RegExp)
+		// Support: Android<4.0 (functionish RegExp)
 		return typeof obj === "object" || typeof obj === "function" ?
 			class2type[ toString.call( obj ) ] || "object" :
 			typeof obj;
@@ -263,28 +261,7 @@ jQuery.extend( {
 
 	// Evaluates a script in a global context
 	globalEval: function( code ) {
-		var script,
-			indirect = eval;
-
-		code = jQuery.trim( code );
-
-		if ( code ) {
-
-			// If the code includes a valid, prologue position
-			// strict mode pragma, execute code by injecting a
-			// script tag into the document.
-			if ( code.indexOf( "use strict" ) === 1 ) {
-				script = document.createElement( "script" );
-				script.text = code;
-				document.head.appendChild( script ).parentNode.removeChild( script );
-			} else {
-
-				// Otherwise, avoid the DOM node creation, insertion
-				// and removal by using an indirect global eval
-
-				indirect( code );
-			}
-		}
+		DOMEval( code );
 	},
 
 	// Convert dashed to camelCase; used by the css and data modules
@@ -348,6 +325,8 @@ jQuery.extend( {
 		return arr == null ? -1 : indexOf.call( arr, elem, i );
 	},
 
+	// Support: Android<4.1, PhantomJS<2
+	// push.apply(_, arraylike) throws on ancient WebKit
 	merge: function( first, second ) {
 		var len = +second.length,
 			j = 0,

src/core/DOMEval.js

+define( [
+	"../var/document"
+], function( document ) {
+	function DOMEval( code, doc ) {
+		doc = doc || document;
+
+		var script = doc.createElement( "script" );
+
+		script.text = code;
+		doc.head.appendChild( script ).parentNode.removeChild( script );
+	}
+
+	return DOMEval;
+} );

src/core/init.js

@@ -12,7 +12,8 @@ var rootjQuery,
 	// A simple way to check for HTML strings
 	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
 	// Strict HTML recognition (#11290: must start with <)
-	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
+	// Shortcut simple #id case for speed
+	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
 
 	init = jQuery.fn.init = function( selector, context, root ) {
 		var match, elem;
@@ -75,17 +76,12 @@ var rootjQuery,
 				} else {
 					elem = document.getElementById( match[ 2 ] );
 
-					// Support: Blackberry 4.6
-					// gEBID returns nodes no longer in the document (#6963)
-					if ( elem && elem.parentNode ) {
+					if ( elem ) {
 
 						// Inject the element directly into the jQuery object
-						this.length = 1;
 						this[ 0 ] = elem;
+						this.length = 1;
 					}
-
-					this.context = document;
-					this.selector = selector;
 					return this;
 				}
 
@@ -101,7 +97,7 @@ var rootjQuery,
 
 		// HANDLE: $(DOMElement)
 		} else if ( selector.nodeType ) {
-			this.context = this[ 0 ] = selector;
+			this[ 0 ] = selector;
 			this.length = 1;
 			return this;
 
@@ -115,11 +111,6 @@ var rootjQuery,
 				selector( jQuery );
 		}
 
-		if ( selector.selector !== undefined ) {
-			this.selector = selector.selector;
-			this.context = selector.context;
-		}
-
 		return jQuery.makeArray( selector, this );
 	};
 

src/core/parseHTML.js

@@ -13,8 +13,8 @@ define( [
 // defaults to document
 // keepScripts (optional): If true, will include scripts passed in the html string
 jQuery.parseHTML = function( data, context, keepScripts ) {
-	if ( !data || typeof data !== "string" ) {
-		return null;
+	if ( typeof data !== "string" ) {
+		return [];
 	}
 	if ( typeof context === "boolean" ) {
 		keepScripts = context;

src/core/ready.js

 define( [
 	"../core",
 	"../var/document",
-	"../core/init",
 	"../deferred"
 ], function( jQuery, document ) {
 
@@ -52,12 +51,6 @@ jQuery.extend( {
 
 		// If there are functions bound, to execute
 		readyList.resolveWith( document, [ jQuery ] );
-
-		// Trigger any bound ready events
-		if ( jQuery.fn.triggerHandler ) {
-			jQuery( document ).triggerHandler( "ready" );
-			jQuery( document ).off( "ready" );
-		}
 	}
 } );
 

src/core/var/rsingleTag.js

 define( function() {
 
 	// Match a standalone tag
-	return ( /^<([\w-]+)\s*\/?>(?:<\/\1>|)$/ );
+	return ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
 } );

src/css.js

@@ -12,16 +12,14 @@ define( [
 	"./css/var/swap",
 	"./css/curCSS",
 	"./css/adjustCSS",
-	"./css/defaultDisplay",
 	"./css/addGetHookIf",
 	"./css/support",
-	"./data/var/dataPriv",
 
 	"./core/init",
 	"./core/ready",
 	"./selector" // contains
-], function( jQuery, pnum, access, rmargin, document, rcssNum, rnumnonpx, cssExpand, isHidden,
-	getStyles, swap, curCSS, adjustCSS, defaultDisplay, addGetHookIf, support, dataPriv ) {
+], function( jQuery, pnum, access, rmargin, document, rcssNum, rnumnonpx, cssExpand,
+	isHidden, getStyles, swap, curCSS, adjustCSS, addGetHookIf, support ) {
 
 var
 
@@ -29,14 +27,13 @@ var
 	// except "table", "table-cell", or "table-caption"
 	// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
 	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
-
 	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
 	cssNormalTransform = {
 		letterSpacing: "0",
 		fontWeight: "400"
 	},
 
-	cssPrefixes = [ "Webkit", "O", "Moz", "ms" ],
+	cssPrefixes = [ "Webkit", "Moz", "ms" ],
 	emptyStyle = document.createElement( "div" ).style;
 
 // Return a css property mapped to a potentially vendor prefixed property
@@ -118,22 +115,23 @@ function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
 function getWidthOrHeight( elem, name, extra ) {
 
 	// Start with offset property, which is equivalent to the border-box value
-	var valueIsBorderBox = true,
-		val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
+	var val,
+		valueIsBorderBox = true,
 		styles = getStyles( elem ),
 		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
 
+	// Support: IE <= 11 only
+	// Running getBoundingClientRect on a disconnected node
+	// in IE throws an error.
+	if ( elem.getClientRects().length ) {
+		val = elem.getBoundingClientRect()[ name ];
+	}
+
 	// Support: IE11 only
 	// In IE 11 fullscreen elements inside of an iframe have
 	// 100x too small dimensions (gh-1764).
 	if ( document.msFullscreenElement && window.top !== window ) {
-
-		// Support: IE11 only
-		// Running getBoundingClientRect on a disconnected node
-		// in IE throws an error.
-		if ( elem.getClientRects().length ) {
-			val = Math.round( elem.getBoundingClientRect()[ name ] * 100 );
-		}
+		val *= 100;
 	}
 
 	// Some non-html elements return undefined for offsetWidth, so check for null/undefined
@@ -173,66 +171,6 @@ function getWidthOrHeight( elem, name, extra ) {
 	) + "px";
 }
 
-function showHide( elements, show ) {
-	var display, elem, hidden,
-		values = [],
-		index = 0,
-		length = elements.length;
-
-	for ( ; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-
-		values[ index ] = dataPriv.get( elem, "olddisplay" );
-		display = elem.style.display;
-		if ( show ) {
-
-			// Reset the inline display of this element to learn if it is
-			// being hidden by cascaded rules or not
-			if ( !values[ index ] && display === "none" ) {
-				elem.style.display = "";
-			}
-
-			// Set elements which have been overridden with display: none
-			// in a stylesheet to whatever the default browser style is
-			// for such an element
-			if ( elem.style.display === "" && isHidden( elem ) ) {
-				values[ index ] = dataPriv.access(
-					elem,
-					"olddisplay",
-					defaultDisplay( elem.nodeName )
-				);
-			}
-		} else {
-			hidden = isHidden( elem );
-
-			if ( display !== "none" || !hidden ) {
-				dataPriv.set(
-					elem,
-					"olddisplay",
-					hidden ? display : jQuery.css( elem, "display" )
-				);
-			}
-		}
-	}
-
-	// Set the display of most of the elements in a second loop
-	// to avoid the constant reflow
-	for ( index = 0; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-		if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
-			elem.style.display = show ? values[ index ] || "" : "none";
-		}
-	}
-
-	return elements;
-}
-
 jQuery.extend( {
 
 	// Add in style property hooks for overriding the default
@@ -384,7 +322,14 @@ jQuery.each( [ "height", "width" ], function( i, name ) {
 				// Certain elements can have dimension info if we invisibly show them
 				// but it must have a current display style that would benefit
 				return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
-					elem.offsetWidth === 0 ?
+
+					// Support: Safari 8+
+					// Table columns in Safari have non-zero offsetWidth & zero
+					// getBoundingClientRect().width unless display is changed.
+					// Support: IE <= 11 only
+					// Running getBoundingClientRect on a disconnected node
+					// in IE throws an error.
+					( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
 						swap( elem, cssShow, function() {
 							return getWidthOrHeight( elem, name, extra );
 						} ) :
@@ -429,16 +374,6 @@ jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
 	}
 );
 
-// Support: Android 2.3
-jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
-	function( elem, computed ) {
-		if ( computed ) {
-			return swap( elem, { "display": "inline-block" },
-				curCSS, [ elem, "marginRight" ] );
-		}
-	}
-);
-
 // These hooks are used by animate to expand properties
 jQuery.each( {
 	margin: "",
@@ -489,25 +424,6 @@ jQuery.fn.extend( {
 				jQuery.style( elem, name, value ) :
 				jQuery.css( elem, name );
 		}, name, value, arguments.length > 1 );
-	},
-	show: function() {
-		return showHide( this, true );
-	},
-	hide: function() {
-		return showHide( this );
-	},
-	toggle: function( state ) {
-		if ( typeof state === "boolean" ) {
-			return state ? this.show() : this.hide();
-		}
-
-		return this.each( function() {
-			if ( isHidden( this ) ) {
-				jQuery( this ).show();
-			} else {
-				jQuery( this ).hide();
-			}
-		} );
 	}
 } );
 

src/css/hiddenVisibleSelectors.js

@@ -7,12 +7,7 @@ jQuery.expr.filters.hidden = function( elem ) {
 	return !jQuery.expr.filters.visible( elem );
 };
 jQuery.expr.filters.visible = function( elem ) {
-
-	// Support: Opera <= 12.12
-	// Opera reports offsetWidths and offsetHeights less than zero on some elements
-	// Use OR instead of AND as the element is not visible if either is true
-	// See tickets #10406 and #13132
-	return elem.offsetWidth > 0 || elem.offsetHeight > 0 || elem.getClientRects().length > 0;
+	return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
 };
 
 } );

src/css/showHide.js

 define( [
-	"../data/var/dataPriv"
-], function( dataPriv ) {
+	"../core",
+	"../data/var/dataPriv",
+	"../css/var/isHidden"
+], function( jQuery, dataPriv, isHidden ) {
+
+var defaultDisplayMap = {};
+
+function getDefaultDisplay( elem ) {
+	var temp,
+		doc = elem.ownerDocument,
+		nodeName = elem.nodeName,
+		display = defaultDisplayMap[ nodeName ];
+
+	if ( display ) {
+		return display;
+	}
+
+	temp = doc.body.appendChild( doc.createElement( nodeName ) ),
+	display = jQuery.css( temp, "display" );
+
+	temp.parentNode.removeChild( temp );
+
+	if ( display === "none" ) {
+		display = "block";
+	}
+	defaultDisplayMap[ nodeName ] = display;
+
+	return display;
+}
 
 function showHide( elements, show ) {
 	var display, elem,
@@ -17,23 +44,35 @@ function showHide( elements, show ) {
 
 		display = elem.style.display;
 		if ( show ) {
+
+			// Since we force visibility upon cascade-hidden elements, an immediate (and slow)
+			// check is required in this first loop unless we have a nonempty display value (either
+			// inline or about-to-be-restored)
 			if ( display === "none" ) {
+				values[ index ] = dataPriv.get( elem, "display" ) || null;
+				if ( !values[ index ] ) {
+					elem.style.display = "";
+				}
+			}
+			if ( elem.style.display === "" && jQuery.css( elem, "display" ) === "none" &&
+
+					// Support: Firefox <=42 - 43
+					// Don't set inline display on disconnected elements with computed display: none
+					jQuery.contains( elem.ownerDocument, elem ) ) {
 
-				// Restore a pre-hide() value if we have one
-				values[ index ] = dataPriv.get( elem, "display" ) || "";
+				values[ index ] = getDefaultDisplay( elem );
 			}
 		} else {
 			if ( display !== "none" ) {
 				values[ index ] = "none";
 
-				// Remember the value we're replacing
+				// Remember what we're overwriting
 				dataPriv.set( elem, "display", display );
 			}
 		}
 	}
 
-	// Set the display of the elements in a second loop
-	// to avoid the constant reflow
+	// Set the display of the elements in a second loop to avoid constant reflow
 	for ( index = 0; index < length; index++ ) {
 		if ( values[ index ] != null ) {
 			elements[ index ].style.display = values[ index ];
@@ -43,6 +82,27 @@ function showHide( elements, show ) {
 	return elements;
 }
 
-return showHide;
+jQuery.fn.extend( {
+	show: function() {
+		return showHide( this, true );
+	},
+	hide: function() {
+		return showHide( this );
+	},
+	toggle: function( state ) {
+		if ( typeof state === "boolean" ) {
+			return state ? this.show() : this.hide();
+		}
 
+		return this.each( function() {
+			if ( isHidden( this ) ) {
+				jQuery( this ).show();
+			} else {
+				jQuery( this ).hide();
+			}
+		} );
+	}
+} );
+
+return showHide;
 } );

src/css/support.js

@@ -29,10 +29,7 @@ define( [
 	// so they're executed at the same time to save the second computation.
 	function computeStyleTests() {
 		div.style.cssText =
-
-			// Support: Firefox<29, Android 2.3
-			// Vendor-prefix box-sizing
-			"-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;" +
+			"box-sizing:border-box;" +
 			"position:relative;display:block;" +
 			"margin:auto;border:1px;padding:1px;" +
 			"top:1%;width:50%";
@@ -84,34 +81,6 @@ define( [
 				computeStyleTests();
 			}
 			return reliableMarginLeftVal;
-		},
-		reliableMarginRight: function() {
-
-			// Support: Android 2.3
-			// Check if div with explicit width and no margin-right incorrectly
-			// gets computed margin-right based on width of container. (#3333)
-			// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
-			// This support function is only executed once so no memoizing is needed.
-			var ret,
-				marginDiv = div.appendChild( document.createElement( "div" ) );
-
-			// Reset CSS: box-sizing; display; margin; border; padding
-			marginDiv.style.cssText = div.style.cssText =
-
-				// Support: Android 2.3
-				// Vendor-prefix box-sizing
-				"-webkit-box-sizing:content-box;box-sizing:content-box;" +
-				"display:block;margin:0;border:0;padding:0";
-			marginDiv.style.marginRight = marginDiv.style.width = "0";
-			div.style.width = "1px";
-			documentElement.appendChild( container );
-
-			ret = !parseFloat( window.getComputedStyle( marginDiv ).marginRight );
-
-			documentElement.removeChild( container );
-			div.removeChild( marginDiv );
-
-			return ret;
 		}
 	} );
 } )();

src/data.js

@@ -112,7 +112,7 @@ jQuery.fn.extend( {
 		}
 
 		return access( this, function( value ) {
-			var data, camelKey;
+			var data;
 
 			// The calling jQuery object (element matches) is not empty
 			// (and therefore has an element appears at this[ 0 ]) and the
@@ -122,29 +122,15 @@ jQuery.fn.extend( {
 			if ( elem && value === undefined ) {
 
 				// Attempt to get data from the cache
-				// with the key as-is
-				data = dataUser.get( elem, key ) ||
-
-					// Try to find dashed key if it exists (gh-2779)
-					// This is for 2.2.x only
-					dataUser.get( elem, key.replace( rmultiDash, "-$&" ).toLowerCase() );
-
-				if ( data !== undefined ) {
-					return data;
-				}
-
-				camelKey = jQuery.camelCase( key );
-
-				// Attempt to get data from the cache
-				// with the key camelized
-				data = dataUser.get( elem, camelKey );
+				// The key will always be camelCased in Data
+				data = dataUser.get( elem, key );
 				if ( data !== undefined ) {
 					return data;
 				}
 
 				// Attempt to "discover" the data in
 				// HTML5 custom data-* attrs
-				data = dataAttr( elem, camelKey, undefined );
+				data = dataAttr( elem, key );
 				if ( data !== undefined ) {
 					return data;
 				}
@@ -154,24 +140,10 @@ jQuery.fn.extend( {
 			}
 
 			// Set the data...
-			camelKey = jQuery.camelCase( key );
 			this.each( function() {
 
-				// First, attempt to store a copy or reference of any
-				// data that might've been store with a camelCased key.
-				var data = dataUser.get( this, camelKey );
-
-				// For HTML5 data-* attribute interop, we have to
-				// store property names with dashes in a camelCase form.
-				// This might not apply to all properties...*
-				dataUser.set( this, camelKey, value );
-
-				// *... In the case of properties that might _actually_
-				// have dashes, we need to also store a copy of that
-				// unchanged property.
-				if ( key.indexOf( "-" ) > -1 && data !== undefined ) {
-					dataUser.set( this, key, value );
-				}
+				// We always store the camelCased key
+				dataUser.set( this, key, value );
 			} );
 		}, null, value, arguments.length > 1, null, true );
 	},

src/data/Data.js

@@ -12,35 +12,8 @@ Data.uid = 1;
 
 Data.prototype = {
 
-	register: function( owner, initial ) {
-		var value = initial || {};
-
-		// If it is a node unlikely to be stringify-ed or looped over
-		// use plain assignment
-		if ( owner.nodeType ) {
-			owner[ this.expando ] = value;
-
-		// Otherwise secure it in a non-enumerable, non-writable property
-		// configurability must be true to allow the property to be
-		// deleted with the delete operator
-		} else {
-			Object.defineProperty( owner, this.expando, {
-				value: value,
-				writable: true,
-				configurable: true
-			} );
-		}
-		return owner[ this.expando ];
-	},
 	cache: function( owner ) {
 
-		// We can accept data for non-element nodes in modern browsers,
-		// but we should not, see #8335.
-		// Always return an empty object.
-		if ( !acceptData( owner ) ) {
-			return {};
-		}
-
 		// Check if the owner object already has a cache
 		var value = owner[ this.expando ];
 
@@ -77,15 +50,16 @@ Data.prototype = {
 			cache = this.cache( owner );
 
 		// Handle: [ owner, key, value ] args
+		// Always use camelCase key (gh-2257)
 		if ( typeof data === "string" ) {
-			cache[ data ] = value;
+			cache[ jQuery.camelCase( data ) ] = value;
 
 		// Handle: [ owner, { properties } ] args
 		} else {
 
 			// Copy the properties one-by-one to the cache object
 			for ( prop in data ) {
-				cache[ prop ] = data[ prop ];
+				cache[ jQuery.camelCase( prop ) ] = data[ prop ];
 			}
 		}
 		return cache;
@@ -93,10 +67,11 @@ Data.prototype = {
 	get: function( owner, key ) {
 		return key === undefined ?
 			this.cache( owner ) :
-			owner[ this.expando ] && owner[ this.expando ][ key ];
+
+			// Always use camelCase key (gh-2257)
+			owner[ this.expando ] && owner[ this.expando ][ jQuery.camelCase( key ) ];
 	},
 	access: function( owner, key, value ) {
-		var stored;
 
 		// In cases where either:
 		//
@@ -112,10 +87,7 @@ Data.prototype = {
 		if ( key === undefined ||
 				( ( key && typeof key === "string" ) && value === undefined ) ) {
 
-			stored = this.get( owner, key );
-
-			return stored !== undefined ?
-				stored : this.get( owner, jQuery.camelCase( key ) );
+			return this.get( owner, key );
 		}
 
 		// When the key is not a string, or both a key and value
@@ -131,48 +103,35 @@ Data.prototype = {
 		return value !== undefined ? value : key;
 	},
 	remove: function( owner, key ) {
-		var i, name, camel,
+		var i,
 			cache = owner[ this.expando ];
 
 		if ( cache === undefined ) {
 			return;
 		}
 
-		if ( key === undefined ) {
-			this.register( owner );
-
-		} else {
+		if ( key !== undefined ) {
 
 			// Support array or space separated string of keys
 			if ( jQuery.isArray( key ) ) {
 
-				// If "name" is an array of keys...
-				// When data is initially created, via ("key", "val") signature,
-				// keys will be converted to camelCase.
-				// Since there is no way to tell _how_ a key was added, remove
-				// both plain key and camelCase key. #12786
-				// This will only penalize the array argument path.
-				name = key.concat( key.map( jQuery.camelCase ) );
+				// If key is an array of keys...
+				// We always set camelCase keys, so remove that.
+				key = key.map( jQuery.camelCase );
 			} else {
-				camel = jQuery.camelCase( key );
+				key = jQuery.camelCase( key );
 
-				// Try the string as a key before any manipulation
-				if ( key in cache ) {
-					name = [ key, camel ];
-				} else {
-
-					// If a key with the spaces exists, use it.
-					// Otherwise, create an array by matching non-whitespace
-					name = camel;
-					name = name in cache ?
-						[ name ] : ( name.match( rnotwhite ) || [] );
-				}
+				// If a key with the spaces exists, use it.
+				// Otherwise, create an array by matching non-whitespace
+				key = key in cache ?
+					[ key ] :
+					( key.match( rnotwhite ) || [] );
 			}
 
-			i = name.length;
+			i = key.length;
 
 			while ( i-- ) {
-				delete cache[ name[ i ] ];
+				delete cache[ key[ i ] ];
 			}
 		}
 

src/deferred/exceptionHook.js

+define( [
+	"../core",
+	"../deferred"
+], function( jQuery ) {
+
+// These usually indicate a programmer mistake during development,
+// warn about them ASAP rather than swallowing them by default.
+var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
+
+jQuery.Deferred.exceptionHook = function( error, stack ) {
+
+	// Support: IE9
+	// Console exists when dev tools are open, which can happen at any time
+	if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
+		window.console.warn( "jQuery.Deferred exception: " + error.message, stack );
+	}
+};
+
+} );

src/deprecated.js

@@ -20,13 +20,7 @@ jQuery.fn.extend( {
 		return arguments.length === 1 ?
 			this.off( selector, "**" ) :
 			this.off( types, selector || "**", fn );
-	},
-	size: function() {
-		return this.length;
 	}
 } );
 
-jQuery.fn.andSelf = jQuery.fn.addBack;
-
 } );
-

src/dimensions.js

@@ -19,10 +19,10 @@ jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
 
 				if ( jQuery.isWindow( elem ) ) {
 
-					// As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
-					// isn't a whole lot we can do. See pull request at this URL for discussion:
-					// https://github.com/jquery/jquery/pull/764
-					return elem.document.documentElement[ "client" + name ];
+					// $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
+					return funcName.indexOf( "outer" ) === 0 ?
+						elem[ "inner" + name ] :
+						elem.document.documentElement[ "client" + name ];
 				}
 
 				// Get document width or height
@@ -45,7 +45,7 @@ jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
 
 					// Set width or height on the element
 					jQuery.style( elem, type, value, extra );
-			}, type, chainable ? margin : undefined, chainable, null );
+			}, type, chainable ? margin : undefined, chainable );
 		};
 	} );
 } );

src/effects.js

@@ -2,27 +2,36 @@ define( [
 	"./core",
 	"./var/document",
 	"./var/rcssNum",
-	"./css/var/cssExpand",
 	"./var/rnotwhite",
+	"./css/var/cssExpand",
 	"./css/var/isHidden",
+	"./css/var/swap",
 	"./css/adjustCSS",
-	"./css/defaultDisplay",
 	"./data/var/dataPriv",
+	"./css/showHide",
 
 	"./core/init",
-	"./effects/Tween",
 	"./queue",
-	"./css",
 	"./deferred",
-	"./traversing"
-], function( jQuery, document, rcssNum, cssExpand, rnotwhite,
-	isHidden, adjustCSS, defaultDisplay, dataPriv ) {
+	"./traversing",
+	"./manipulation",
+	"./css",
+	"./effects/Tween"
+], function( jQuery, document, rcssNum, rnotwhite, cssExpand, isHidden, swap,
+	adjustCSS, dataPriv, showHide ) {
 
 var
 	fxNow, timerId,
 	rfxtypes = /^(?:toggle|show|hide)$/,
 	rrun = /queueHooks$/;
 
+function raf() {
+	if ( timerId ) {
+		window.requestAnimationFrame( raf );
+		jQuery.fx.tick();
+	}
+}
+
 // Animations created synchronously will run synchronously
 function createFxNow() {
 	window.setTimeout( function() {
@@ -68,14 +77,15 @@ function createTween( value, prop, animation ) {
 
 function defaultPrefilter( elem, props, opts ) {
 	/* jshint validthis: true */
-	var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,
+	var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
+		isBox = "width" in props || "height" in props,
 		anim = this,
 		orig = {},
 		style = elem.style,
 		hidden = elem.nodeType && isHidden( elem ),
 		dataShow = dataPriv.get( elem, "fxshow" );
 
-	// Handle queue: false promises
+	// Queue-skipping animations hijack the fx hooks
 	if ( !opts.queue ) {
 		hooks = jQuery._queueHooks( elem, "fx" );
 		if ( hooks.unqueued == null ) {
@@ -101,25 +111,77 @@ function defaultPrefilter( elem, props, opts ) {
 		} );
 	}
 
-	// Height/width overflow pass
-	if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
+	// Detect show/hide animations
+	for ( prop in props ) {
+		value = props[ prop ];
+		if ( rfxtypes.test( value ) ) {
+			delete props[ prop ];
+			toggle = toggle || value === "toggle";
+			if ( value === ( hidden ? "hide" : "show" ) ) {
+
+				// Pretend to be hidden if this is a "show" and
+				// there is still data from a stopped show/hide
+				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
+					hidden = true;
 
-		// Make sure that nothing sneaks out
-		// Record all 3 overflow attributes because IE9-10 do not
-		// change the overflow attribute when overflowX and
-		// overflowY are set to the same value
+				// Ignore all other no-op show/hide data
+				} else {
+					continue;
+				}
+			}
+			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
+		}
+	}
+
+	// Bail out if this is a no-op like .hide().hide()
+	propTween = !jQuery.isEmptyObject( props );
+	if ( !propTween && jQuery.isEmptyObject( orig ) ) {
+		return;
+	}
+
+	// Restrict "overflow" and "display" styles during box animations
+	if ( isBox && elem.nodeType === 1 ) {
+
+		// Support: IE 9 - 11
+		// Record all 3 overflow attributes because IE does not infer the shorthand
+		// from identically-valued overflowX and overflowY
 		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
 
-		// Set display property to inline-block for height/width
-		// animations on inline elements that are having width/height animated
+		// Identify a display type, preferring old show/hide data over the CSS cascade
+		restoreDisplay = dataShow && dataShow.display;
+		if ( restoreDisplay == null ) {
+			restoreDisplay = dataPriv.get( elem, "display" );
+		}
 		display = jQuery.css( elem, "display" );
+		if ( display === "none" ) {
+			if ( restoreDisplay ) {
+				display = restoreDisplay;
+			} else {
 
-		// Test default display if display is currently "none"
-		checkDisplay = display === "none" ?
-			dataPriv.get( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;
+				// Get nonempty value(s) by temporarily forcing visibility
+				showHide( [ elem ], true );
+				restoreDisplay = elem.style.display || restoreDisplay;
+				display = jQuery.css( elem, "display" );
+				showHide( [ elem ] );
+			}
+		}
 
-		if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) {
-			style.display = "inline-block";
+		// Animate inline elements as inline-block
+		if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
+			if ( jQuery.css( elem, "float" ) === "none" ) {
+
+				// Restore the original display value at the end of pure show/hide animations
+				if ( !propTween ) {
+					anim.done( function() {
+						style.display = restoreDisplay;
+					} );
+					if ( restoreDisplay == null ) {
+						display = style.display;
+						restoreDisplay = display === "none" ? "" : display;
+					}
+				}
+				style.display = "inline-block";
+			}
 		}
 	}
 
@@ -132,73 +194,53 @@ function defaultPrefilter( elem, props, opts ) {
 		} );
 	}
 
-	// show/hide pass
-	for ( prop in props ) {
-		value = props[ prop ];
-		if ( rfxtypes.exec( value ) ) {
-			delete props[ prop ];
-			toggle = toggle || value === "toggle";
-			if ( value === ( hidden ? "hide" : "show" ) ) {
+	// Implement show/hide animations
+	propTween = false;
+	for ( prop in orig ) {
 
-				// If there is dataShow left over from a stopped hide or show
-				// and we are going to proceed with show, we should pretend to be hidden
-				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
-					hidden = true;
-				} else {
-					continue;
+		// General show/hide setup for this element animation
+		if ( !propTween ) {
+			if ( dataShow ) {
+				if ( "hidden" in dataShow ) {
+					hidden = dataShow.hidden;
 				}
+			} else {
+				dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
 			}
-			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
 
-		// Any non-fx value stops us from restoring the original display value
-		} else {
-			display = undefined;
-		}
-	}
+			// Store hidden/visible for toggle so `.stop().toggle()` "reverses"
+			if ( toggle ) {
+				dataShow.hidden = !hidden;
+			}
 
-	if ( !jQuery.isEmptyObject( orig ) ) {
-		if ( dataShow ) {
-			if ( "hidden" in dataShow ) {
-				hidden = dataShow.hidden;
+			// Show elements before animating them
+			if ( hidden ) {
+				showHide( [ elem ], true );
 			}
-		} else {
-			dataShow = dataPriv.access( elem, "fxshow", {} );
-		}
 
-		// Store state if its toggle - enables .stop().toggle() to "reverse"
-		if ( toggle ) {
-			dataShow.hidden = !hidden;
-		}
-		if ( hidden ) {
-			jQuery( elem ).show();
-		} else {
+			/* jshint -W083 */
 			anim.done( function() {
-				jQuery( elem ).hide();
+
+				// The final step of a "hide" animation is actually hiding the element
+				if ( !hidden ) {
+					showHide( [ elem ] );
+				}
+				dataPriv.remove( elem, "fxshow" );
+				for ( prop in orig ) {
+					jQuery.style( elem, prop, orig[ prop ] );
+				}
 			} );
 		}
-		anim.done( function() {
-			var prop;
 
-			dataPriv.remove( elem, "fxshow" );
-			for ( prop in orig ) {
-				jQuery.style( elem, prop, orig[ prop ] );
-			}
-		} );
-		for ( prop in orig ) {
-			tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
-
-			if ( !( prop in dataShow ) ) {
-				dataShow[ prop ] = tween.start;
-				if ( hidden ) {
-					tween.end = tween.start;
-					tween.start = prop === "width" || prop === "height" ? 1 : 0;
-				}
+		// Per-property setup
+		propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
+		if ( !( prop in dataShow ) ) {
+			dataShow[ prop ] = propTween.start;
+			if ( hidden ) {
+				propTween.end = propTween.start;
+				propTween.start = prop === "width" || prop === "height" ? 1 : 0;
 			}
 		}
-
-	// If this is a noop like .hide().hide(), restore an overwritten display value
-	} else if ( ( display === "none" ? defaultDisplay( elem.nodeName ) : display ) === "inline" ) {
-		style.display = display;
 	}
 }
 
@@ -355,6 +397,7 @@ function Animation( elem, properties, options ) {
 }
 
 jQuery.Animation = jQuery.extend( Animation, {
+
 	tweeners: {
 		"*": [ function( prop, value ) {
 			var tween = this.createTween( prop, value );
@@ -401,9 +444,15 @@ jQuery.speed = function( speed, easing, fn ) {
 		easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
 	};
 
-	opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ?
-		opt.duration : opt.duration in jQuery.fx.speeds ?
-			jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
+	// Go to the end state if fx are off or if document is hidden
+	if ( jQuery.fx.off || document.hidden ) {
+		opt.duration = 0;
+
+	} else {
+		opt.duration = typeof opt.duration === "number" ?
+			opt.duration : opt.duration in jQuery.fx.speeds ?
+				jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
+	}
 
 	// Normalize opt.queue - true/undefined/null -> "fx"
 	if ( opt.queue == null || opt.queue === true ) {
@@ -607,12 +656,18 @@ jQuery.fx.timer = function( timer ) {
 jQuery.fx.interval = 13;
 jQuery.fx.start = function() {
 	if ( !timerId ) {
-		timerId = window.setInterval( jQuery.fx.tick, jQuery.fx.interval );
+		timerId = window.requestAnimationFrame ?
+			window.requestAnimationFrame( raf ) :
+			window.setInterval( jQuery.fx.tick, jQuery.fx.interval );
 	}
 };
 
 jQuery.fx.stop = function() {
-	window.clearInterval( timerId );
+	if ( window.cancelAnimationFrame ) {
+		window.cancelAnimationFrame( timerId );
+	} else {
+		window.clearInterval( timerId );
+	}
 
 	timerId = null;
 };

src/effects/Tween.js

@@ -27,17 +27,12 @@ Tween.prototype = {
 			Tween.propHooks._default.get( this );
 	},
 	run: function( percent ) {
-		var eased,
-			hooks = Tween.propHooks[ this.prop ];
+		var hooks = Tween.propHooks[ this.prop ];
 
-		if ( this.options.duration ) {
-			this.pos = eased = jQuery.easing[ this.easing ](
-				percent, this.options.duration * percent, 0, 1, this.options.duration
-			);
-		} else {
-			this.pos = eased = percent;
-		}
-		this.now = ( this.end - this.start ) * eased + this.start;
+		this.pos = this.options.duration ?
+			jQuery.easing[ this.easing ]( percent ) :
+			percent;
+		this.now = ( this.end - this.start ) * this.pos + this.start;
 
 		if ( this.options.step ) {
 			this.options.step.call( this.elem, this.now, this );

src/event.js

@@ -70,8 +70,6 @@ function on( elem, types, selector, data, fn, one ) {
 	}
 	if ( fn === false ) {
 		fn = returnFalse;
-	} else if ( !fn ) {
-		return this;
 	}
 
 	if ( one === 1 ) {
@@ -469,13 +467,7 @@ jQuery.event = {
 			event[ prop ] = originalEvent[ prop ];
 		}
 
-		// Support: Cordova 2.5 (WebKit) (#13255)
-		// All events should have a target; Cordova deviceready doesn't
-		if ( !event.target ) {
-			event.target = document;
-		}
-
-		// Support: Safari 6.0+, Chrome<28
+		// Support: Safari 6-8+
 		// Target should not be a text node (#504, #13143)
 		if ( event.target.nodeType === 3 ) {
 			event.target = event.target.parentNode;
@@ -662,6 +654,7 @@ jQuery.each( {
 } );
 
 jQuery.fn.extend( {
+
 	on: function( types, selector, data, fn ) {
 		return on( this, types, selector, data, fn );
 	},

src/event/alias.js

@@ -5,9 +5,9 @@ define( [
 	"./trigger"
 ], function( jQuery ) {
 
-jQuery.each( ( "blur focus focusin focusout load resize scroll unload click dblclick " +
+jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
 	"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
-	"change select submit keydown keypress keyup error contextmenu" ).split( " " ),
+	"change select submit keydown keypress keyup contextmenu" ).split( " " ),
 	function( i, name ) {
 
 	// Handle event binding

src/event/trigger.js

@@ -121,7 +121,7 @@ jQuery.extend( jQuery.event, {
 				special._default.apply( eventPath.pop(), data ) === false ) &&
 				acceptData( elem ) ) {
 
-				// Call a native DOM method on the target with the same name name as the event.
+				// Call a native DOM method on the target with the same name as the event.
 				// Don't do default actions on window, that's where global variables be (#6170)
 				if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {
 

src/intro.js

 /*!
  * jQuery JavaScript Library v@VERSION
- * http://jquery.com/
+ * https://jquery.com/
  *
  * Includes Sizzle.js
- * http://sizzlejs.com/
+ * https://sizzlejs.com/
  *
  * Copyright jQuery Foundation and other contributors
  * Released under the MIT license
- * http://jquery.org/license
+ * https://jquery.org/license
  *
  * Date: @DATE
  */

src/jquery.js

@@ -4,6 +4,7 @@ define( [
 	"./traversing",
 	"./callbacks",
 	"./deferred",
+	"./deferred/exceptionHook",
 	"./core/ready",
 	"./data",
 	"./queue",

src/manipulation.js

@@ -15,6 +15,7 @@ define( [
 	"./data/var/dataPriv",
 	"./data/var/dataUser",
 	"./data/var/acceptData",
+	"./core/DOMEval",
 
 	"./core/init",
 	"./traversing",
@@ -23,10 +24,10 @@ define( [
 ], function( jQuery, concat, push, access,
 	rcheckableType, rtagName, rscriptType,
 	wrapMap, getAll, setGlobalEval, buildFragment, support,
-	dataPriv, dataUser, acceptData ) {
+	dataPriv, dataUser, acceptData, DOMEval ) {
 
 var
-	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:-]+)[^>]*)\/>/gi,
+	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
 
 	// Support: IE 10-11, Edge 10240+
 	// In IE/Edge using regex groups here causes severe slowdowns.
@@ -192,7 +193,7 @@ function domManip( collection, args, callback, ignored ) {
 								jQuery._evalUrl( node.src );
 							}
 						} else {
-							jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) );
+							DOMEval( node.textContent.replace( rcleanScript, "" ), doc );
 						}
 					}
 				}
@@ -238,7 +239,7 @@ jQuery.extend( {
 		if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
 				!jQuery.isXMLDoc( elem ) ) {
 
-			// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
+			// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
 			destElements = getAll( clone );
 			srcElements = getAll( elem );
 
@@ -307,10 +308,6 @@ jQuery.extend( {
 } );
 
 jQuery.fn.extend( {
-
-	// Keep domManip exposed until 3.0 (gh-2225)
-	domManip: domManip,
-
 	detach: function( selector ) {
 		return remove( this, selector, true );
 	},
@@ -468,8 +465,8 @@ jQuery.each( {
 			elems = i === last ? this : this.clone( true );
 			jQuery( insert[ i ] )[ original ]( elems );
 
-			// Support: QtWebKit
-			// .get() because push.apply(_, arraylike) throws
+			// Support: Android<4.1, PhantomJS<2
+			// .get() because push.apply(_, arraylike) throws on ancient WebKit
 			push.apply( ret, elems.get() );
 		}
 

src/manipulation/_evalUrl.js

@@ -9,6 +9,7 @@ jQuery._evalUrl = function( url ) {
 		// Make this explicit, since user can override this through ajaxSetup (#11264)
 		type: "GET",
 		dataType: "script",
+		cache: true,
 		async: false,
 		global: false,
 		"throws": true

src/manipulation/support.js

@@ -8,7 +8,7 @@ define( [
 		div = fragment.appendChild( document.createElement( "div" ) ),
 		input = document.createElement( "input" );
 
-	// Support: Android 4.0-4.3, Safari<=5.1
+	// Support: Android 4.0-4.3
 	// Check state lost if the name is set (#11217)
 	// Support: Windows Web Apps (WWA)
 	// `name` and `type` must use .setAttribute for WWA (#14901)
@@ -18,7 +18,7 @@ define( [
 
 	div.appendChild( input );
 
-	// Support: Safari<=5.1, Android<4.2
+	// Support: Android<4.2
 	// Older WebKit doesn't clone checked state correctly in fragments
 	support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
 

src/manipulation/var/rtagName.js

 define( function() {
-	return ( /<([\w:-]+)/ );
+	return ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
 } );

src/offset.js

@@ -74,6 +74,8 @@ jQuery.offset = {
 
 jQuery.fn.extend( {
 	offset: function( options ) {
+
+		// Preserve chaining for setter
 		if ( arguments.length ) {
 			return options === undefined ?
 				this :
@@ -82,28 +84,36 @@ jQuery.fn.extend( {
 				} );
 		}
 
-		var docElem, win,
-			elem = this[ 0 ],
-			box = { top: 0, left: 0 },
-			doc = elem && elem.ownerDocument;
+		var docElem, win, rect, doc,
+			elem = this[ 0 ];
 
-		if ( !doc ) {
+		if ( !elem ) {
 			return;
 		}
 
-		docElem = doc.documentElement;
+		// Support: IE<=11+
+		// Running getBoundingClientRect on a
+		// disconnected node in IE throws an error
+		if ( !elem.getClientRects().length ) {
+			return { top: 0, left: 0 };
+		}
+
+		rect = elem.getBoundingClientRect();
 
-		// Make sure it's not a disconnected DOM node
-		if ( !jQuery.contains( docElem, elem ) ) {
-			return box;
+		// Make sure element is not hidden (display: none)
+		if ( rect.width || rect.height ) {
+			doc = elem.ownerDocument;
+			win = getWindow( doc );
+			docElem = doc.documentElement;
+
+			return {
+				top: rect.top + win.pageYOffset - docElem.clientTop,
+				left: rect.left + win.pageXOffset - docElem.clientLeft
+			};
 		}
 
-		box = elem.getBoundingClientRect();
-		win = getWindow( doc );
-		return {
-			top: box.top + win.pageYOffset - docElem.clientTop,
-			left: box.left + win.pageXOffset - docElem.clientLeft
-		};
+		// Return zeros for disconnected and hidden elements (gh-2310)
+		return rect;
 	},
 
 	position: function() {

src/queue/delay.js

@@ -5,7 +5,7 @@ define( [
 ], function( jQuery ) {
 
 // Based off of the plugin by Clint Helfers, with permission.
-// http://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
+// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
 jQuery.fn.delay = function( time, type ) {
 	time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
 	type = type || "fx";

src/serialize.js

@@ -6,7 +6,7 @@ define( [
 	"./attributes/prop"
 ], function( jQuery, rcheckableType ) {
 
-var r20 = /%20/g,
+var
 	rbracket = /\[\]$/,
 	rCRLF = /\r?\n/g,
 	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
@@ -85,7 +85,7 @@ jQuery.param = function( a, traditional ) {
 	}
 
 	// Return the resulting serialization
-	return s.join( "&" ).replace( r20, "+" );
+	return s.join( "&" );
 };
 
 jQuery.fn.extend( {

src/traversing.js

@@ -39,23 +39,24 @@ jQuery.fn.extend( {
 			i = 0,
 			l = this.length,
 			matched = [],
-			pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
-				jQuery( selectors, context || this.context ) :
-				0;
+			targets = typeof selectors !== "string" && jQuery( selectors );
 
-		for ( ; i < l; i++ ) {
-			for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
+		// Positional selectors never match, since there's no _selection_ context
+		if ( !rneedsContext.test( selectors ) ) {
+			for ( ; i < l; i++ ) {
+				for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
 
-				// Always skip document fragments
-				if ( cur.nodeType < 11 && ( pos ?
-					pos.index( cur ) > -1 :
+					// Always skip document fragments
+					if ( cur.nodeType < 11 && ( targets ?
+						targets.index( cur ) > -1 :
 
-					// Don't pass non-elements to Sizzle
-					cur.nodeType === 1 &&
-						jQuery.find.matchesSelector( cur, selectors ) ) ) {
+						// Don't pass non-elements to Sizzle
+						cur.nodeType === 1 &&
+							jQuery.find.matchesSelector( cur, selectors ) ) ) {
 
-					matched.push( cur );
-					break;
+						matched.push( cur );
+						break;
+					}
 				}
 			}
 		}

src/traversing/findFilter.js

@@ -33,7 +33,7 @@ function winnow( elements, qualifier, not ) {
 	}
 
 	return jQuery.grep( elements, function( elem ) {
-		return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
+		return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1;
 	} );
 }
 
@@ -72,10 +72,7 @@ jQuery.fn.extend( {
 			jQuery.find( selector, self[ i ], ret );
 		}
 
-		// Needed because $( selector, context ) becomes $( context ).find( selector )
-		ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
-		ret.selector = this.selector ? this.selector + " " + selector : selector;
-		return ret;
+		return this.pushStack( len > 1 ? jQuery.uniqueSort( ret ) : ret );
 	},
 	filter: function( selector ) {
 		return this.pushStack( winnow( this, selector || [], false ) );